Experts weigh in after death on a Singapore Airlines flight

One passenger died and 30 others were injured aboard a Singapore Airlines flight that was hit by "severe turbulence," officials said Tuesday, but experts say such deaths are rare even as researchers warn climate change could trigger more extreme cases of turbulence .

Since 2009, the National Transportation Safety Board said, there have been no U.S. fatalities due to turbulence aboard large commercial aircraft, such as the Boeing jet that experienced sudden extreme turbulence over Myanmar's Irrawaddy River at 11,000 meters height.

A 73-year-old passenger who had medical problems died, possibly from cardiac arrest, and at least seven people were ...